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. 2015 May 15;6:105. doi: 10.3389/fneur.2015.00105

Figure 1.

Figure 1

Hearing thresholds and loudness discomfort levels (LDLs). (A) Average hearing thresholds (black) and LDLs (gray) of all patients. Error bars denote ± 1 SD. Error bars denote ±1 SD. The dashed line indicates LDLs of a reference group with normal hearing thresholds from Sherlock and Formby (12). (B) Average hearing thresholds (black) and LDLs (gray) of a subgroup of patients with clinically normal hearing thresholds. Error bars denote ±1 SD. (C) Distribution of hearing thresholds. For each ear, the average hearing threshold was calculated for the frequency range of 0.5–6 kHz. (D) Distribution of LDLs. For each ear, the average LDL was calculated for the frequency range of 0.5–6 kHz.